The Garment Maker and Cloth modifiers work together to create clothing for your characters, human or not human.

In this tutorial, you will remain in the human realm, and create the clothing for a fashion model. Aside from her shoes, which are already supplied, the model wears two outer garments:
With Garment Maker, you specify the construction of clothing, based on pattern shapes. The Cloth modifier then fits those clothes to the character who wears them; later, Cloth also generates realistic animation for the clothing.
(Project Folder) and set your current project to Autodesk 3ds Max 2012 Tutorials. 